Add db-connect, a SQL over HTTPS server

vendor/github.com/kshvakov/clickhouse/lib/data/client_info.go

@@ -0,0 +1,29 @@
+package data
+
+import (
+	"fmt"
+
+	"github.com/kshvakov/clickhouse/lib/binary"
+)
+
+const ClientName = "Golang SQLDriver"
+
+const (
+	ClickHouseRevision         = 54213
+	ClickHouseDBMSVersionMajor = 1
+	ClickHouseDBMSVersionMinor = 1
+)
+
+type ClientInfo struct{}
+
+func (ClientInfo) Write(encoder *binary.Encoder) error {
+	encoder.String(ClientName)
+	encoder.Uvarint(ClickHouseDBMSVersionMajor)
+	encoder.Uvarint(ClickHouseDBMSVersionMinor)
+	encoder.Uvarint(ClickHouseRevision)
+	return nil
+}
+
+func (ClientInfo) String() string {
+	return fmt.Sprintf("%s %d.%d.%d", ClientName, ClickHouseDBMSVersionMajor, ClickHouseDBMSVersionMinor, ClickHouseRevision)
+}